Pith Number

pith:MYBEZINU

pith:2009:MYBEZINUDGCZ55TY4DL4A7RISV

not attested not anchored not stored refs pending

Topics on topology and superstring theory

Fabio Ferrari Ruffino

arxiv:0910.4524 v2 · 2009-10-23 · math-ph · hep-th · math.AT · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYBEZINUDGCZ55TY4DL4A7RISV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:30:28.438643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66024ca1b419859ef678e0d7c07e28956d0412c971532ecb3403ba919dc912a9

Aliases

arxiv: 0910.4524 · arxiv_version: 0910.4524v2 · doi: 10.48550/arxiv.0910.4524 · pith_short_12: MYBEZINUDGCZ · pith_short_16: MYBEZINUDGCZ55TY · pith_short_8: MYBEZINU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MYBEZINUDGCZ55TY4DL4A7RISV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 66024ca1b419859ef678e0d7c07e28956d0412c971532ecb3403ba919dc912a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ad6f5447c22435025f6c069c482f876123baa7dfa7d2156f314fb27634dd5c1",
    "cross_cats_sorted": [
      "hep-th",
      "math.AT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-10-23T14:55:01Z",
    "title_canon_sha256": "d47d129e88a91679e01c22a761c7a65bdc8e4c79f917c3ec9f01567235826bfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4524",
    "kind": "arxiv",
    "version": 2
  }
}